Your issue is not code related, for which this Corvid Forum is for.
You are much better suited going through Wix Support themselves, or reading Wix Multilingual Support.
https://support.wix.com/en/about-wix/contacting-wix-support
https://support.wix.com/en/wix-multilingual/wix-multilingual-basics
https://support.wix.com/en/article/translatable-content-in-wix-multilingual
You will want to read this page too.
https://support.wix.com/en/article/request-using-wix-multilingual-with-database-collections